Object reference not set to an instance of an object
2007-08-23 07:35
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Server Error in '/' Application.
Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.
Source Error:
Stack Trace:
Version Information: Microsoft .NET Framework Version:2.0.50727.832; ASP.NET Version:2.0.50727.832
“/”应用程序中的服务器错误。
--------------------------------------------------------------------------------
未将对象引用设置到对象的实例。
说明: 执行当前 Web 请求期间,出现未处理的异常。请检查堆栈跟踪信息,以了解有关该错误以及代码中导致错误的出处的详细信息。
异常详细信息: System.NullReferenceException: 未将对象引用设置到对象的实例。
源错误:
只有在调试模式下进行编译时,生成此未处理异常的源代码才会显示出来。若要启用此功能,请执行以下步骤之一,然后请求 URL:
1. 在产生错误的文件的顶部添加一条“Debug=true”指令。例如:
<%@ Page Language="C#" Debug="true" %>
或:
2. 将以下的节添加到应用程序的配置文件中:
<configuration>
<system.web>
<compilation debug="true"/>
</system.web>
</configuration>
请注意,第二个步骤将使给定应用程序中的所有文件在调试模式下进行编译;第一个步骤仅使该特定文件在调试模式下进行编译。
重要事项: 以调试模式运行应用程序一定会产生内存/性能系统开销。在部署到生产方案之前,应确保应用程序调试已禁用。
堆栈跟踪:
[NullReferenceException: 未将对象引用设置到对象的实例。]
Discuz.Forum.BasePage..ctor() +3387
Discuz.ForumPage.index..ctor() +75
ASP.dzbbs_aspx_1_index_aspx..ctor() +10
__ASP.FastObjectFactory_app_web_r7mwye50.Create_ASP_dzbbs_aspx_1_index_aspx() +20
System.Web.Compilation.BuildResultCompiledType.CreateInstance() +73
System.Web.Compilation.BuildManager.CreateInstanceFromVirtualPath(VirtualPath virtualPath, Type requiredBaseType, HttpContext context, Boolean allowCrossApp, Boolean noAssert) +113
System.Web.UI.PageHandlerFactory.GetHandlerHelper(HttpContext context, String requestType, VirtualPath virtualPath, String physicalPath) +32
System.Web.UI.PageHandlerFactory.System.Web.IHttpHandlerFactory2.GetHandler(HttpContext context, String requestType, VirtualPath virtualPath, String physicalPath) +62
System.Web.HttpApplication.MapHttpHandler(HttpContext context, String requestType, VirtualPath path, String pathTranslated, Boolean useAppConfig) +385
System.Web.MapHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +139
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +146
解决方案:
按照要求先把page的debug设置为true,然后再运行你的错误页面,会看到相应的错误信息
Server Error in '/' Application.
Object reference not set to an instance of an object.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.
Source Error:
The source code that generated this unhandled exception can only be shown when compiled in debug mode. To enable this, please follow one of the below steps, then request the URL: 1. Add a "Debug=true" directive at the top of the file that generated the error. Example: <%@ Page Language="C#" Debug="true" %> or: 2) Add the following section to the configuration file of your application: <configuration> <system.web> <compilation debug="true"/> </system.web> </configuration> Note that this second technique will cause all files within a given application to be compiled in debug mode. The first technique will cause only that particular file to be compiled in debug mode. Important: Running applications in debug mode does incur a memory/performance overhead. You should make sure that an application has debugging disabled before deploying into production scenario. |
[NullReferenceException: Object reference not set to an instance of an object.] content_m_wardrobe_RoleData..ctor() +116 ASP.content_m_wardrobe_roledata_aspx..ctor() +10 __ASP.FastObjectFactory_app_web_0ymasbq5.Create_ASP_content_m_wardrobe_roledata_aspx() +20 System.Web.Compilation.BuildResultCompiledType.CreateInstance() +49 System.Web.Compilation.BuildManager.CreateInstanceFromVirtualPath(VirtualPath virtualPath, Type requiredBaseType, HttpContext context, Boolean allowCrossApp, Boolean noAssert) +115 System.Web.UI.PageHandlerFactory.GetHandlerHelper(HttpContext context, String requestType, VirtualPath virtualPath, String physicalPath) +31 System.Web.UI.PageHandlerFactory.System.Web.IHttpHandlerFactory2.GetHandler(HttpContext context, String requestType, VirtualPath virtualPath, String physicalPath) +40 System.Web.HttpApplication.MapHttpHandler(HttpContext context, String requestType, VirtualPath path, String pathTranslated, Boolean useAppConfig) +139 System.Web.MapHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +120 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +155 |
“/”应用程序中的服务器错误。
--------------------------------------------------------------------------------
未将对象引用设置到对象的实例。
说明: 执行当前 Web 请求期间,出现未处理的异常。请检查堆栈跟踪信息,以了解有关该错误以及代码中导致错误的出处的详细信息。
异常详细信息: System.NullReferenceException: 未将对象引用设置到对象的实例。
源错误:
只有在调试模式下进行编译时,生成此未处理异常的源代码才会显示出来。若要启用此功能,请执行以下步骤之一,然后请求 URL:
1. 在产生错误的文件的顶部添加一条“Debug=true”指令。例如:
<%@ Page Language="C#" Debug="true" %>
或:
2. 将以下的节添加到应用程序的配置文件中:
<configuration>
<system.web>
<compilation debug="true"/>
</system.web>
</configuration>
请注意,第二个步骤将使给定应用程序中的所有文件在调试模式下进行编译;第一个步骤仅使该特定文件在调试模式下进行编译。
重要事项: 以调试模式运行应用程序一定会产生内存/性能系统开销。在部署到生产方案之前,应确保应用程序调试已禁用。
堆栈跟踪:
[NullReferenceException: 未将对象引用设置到对象的实例。]
Discuz.Forum.BasePage..ctor() +3387
Discuz.ForumPage.index..ctor() +75
ASP.dzbbs_aspx_1_index_aspx..ctor() +10
__ASP.FastObjectFactory_app_web_r7mwye50.Create_ASP_dzbbs_aspx_1_index_aspx() +20
System.Web.Compilation.BuildResultCompiledType.CreateInstance() +73
System.Web.Compilation.BuildManager.CreateInstanceFromVirtualPath(VirtualPath virtualPath, Type requiredBaseType, HttpContext context, Boolean allowCrossApp, Boolean noAssert) +113
System.Web.UI.PageHandlerFactory.GetHandlerHelper(HttpContext context, String requestType, VirtualPath virtualPath, String physicalPath) +32
System.Web.UI.PageHandlerFactory.System.Web.IHttpHandlerFactory2.GetHandler(HttpContext context, String requestType, VirtualPath virtualPath, String physicalPath) +62
System.Web.HttpApplication.MapHttpHandler(HttpContext context, String requestType, VirtualPath path, String pathTranslated, Boolean useAppConfig) +385
System.Web.MapHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +139
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +146
解决方案:
按照要求先把page的debug设置为true,然后再运行你的错误页面,会看到相应的错误信息
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